Yes

you do need a jacket based on the weather in Seattle, WA 98115, USA 1 second ago

Why? Because the air feels like the cozy middle ground between summer and winter!
58°F14°C & Partly Cloudy

Wind is 5 mph8 km/h from the Northeast, gusting to 12 mph19 km/h
July 3
4am57°F14°C5 mph8 km/h EastMostly Cloudy
5am57°F14°C5 mph8 km/h NortheastMostly Cloudy
6am56°F13°C5 mph8 km/h NortheastMostly Cloudy
7am56°F13°C4 mph7 km/h EastMostly Cloudy
8am55°F13°C4 mph7 km/h EastMostly Cloudy
9am55°F13°C4 mph6 km/h EastPartly Cloudy
10am55°F13°C3 mph5 km/h SoutheastPartly Cloudy
11am57°F14°C3 mph5 km/h SouthPartly Cloudy
12pm59°F15°C3 mph5 km/h SouthPartly Cloudy
1pm60°F16°C2 mph4 km/h SouthPartly Cloudy
2pm63°F17°C2 mph3 km/h SouthwestPartly Cloudy
3pm66°F19°C2 mph4 km/h NorthwestMostly Clear
DateLowHighWindDayNight
July 355°F13°C71°F22°C5 mph8 km/h from NorthwestMostly ClearMostly Clear
July 453°F12°C73°F23°C4 mph6 km/h from NorthwestMostly CloudyPartly Cloudy
July 554°F12°C73°F23°C5 mph8 km/h from NorthwestPartly CloudyPartly Cloudy
July 654°F12°C74°F23°C6 mph10 km/h from NorthMostly ClearMostly Clear
July 756°F13°C77°F25°C6 mph10 km/h from NorthClearClear
July 857°F14°C80°F27°C5 mph9 km/h from NorthwestClearClear
July 962°F17°C82°F28°C6 mph9 km/h from NorthwestClearMostly Clear

Yes

Low of 53°F12°C, High of 73°F23°C
Wind: 4 mph6 km/h
Precipitation: None

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